Re: software unplug

"Felipe Balbi" <[email protected]>
Newsgroups gmane.linux.usb.devel
Message-ID <[email protected]>
On 7/30/07, Alan Stern <[email protected]> wrote:
> On Mon, 30 Jul 2007, Felipe Balbi wrote:
> Lucio's problem is that the device has _already_ disconnected.
> Getting an additional disconnect interrupt won't make any difference.

yeah... off course :-p

>
> > Maybe if he echo'es correctly on sysfs, he could achieve this...
>
> Nope.  You cannot turn off the USB bus power on the computer's USB
> ports no matter what you do; the hardware doesn't permit it.

and what about:
echo suspend > /sys/class/usb_device/usbdevX.Y/device/power/level  ???

where X is the bus number and Y is the device number, without the 00
in the beginning...

Ain't I cutting off power on that port??


-- 
Best Regards,

Felipe Balbi
[email protected]

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